IEM :: Monthly Summaries

The following tables present IEM computed monthly data summaries based on daily data provided by or computed for the IEM. A download interface exists for the daily summary information. The climatology is provided by the nearest NCEI climate station (USC00118324) within the current 1991-2020 dataset.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

Precipitation Totals [inch]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	M	M	M	M	2.88	2.87	4.19	2.25	2.18
2019	1.09	2.01	1.57	4.77	6.35	3.05	2.52	2.56	7.27	5.81	1.16	1.22
2020	1.85	0.08	3.13	4.12	6.59	2.82	3.25	0.43	3.39	3.01	1.66	1.64
2021	0.97	0.16	0.68	0.12	1.53	5.78	1.65	5.08	1.22	3.28	0.62	1.33
2022	0.14	1.30	2.45	4.69	3.63	1.21	5.51	3.64	2.01	1.51	0.88	1.82
2023	1.82	1.08	3.23	1.82	0.57	1.31	6.08	1.21	2.36	2.45	0.62	2.15
2024	2.10	0.31	3.62	2.69	3.27	3.83	5.38	1.82	0.96	0.81	2.58	1.14
2025	1.16	0.18	2.31	1.71	1.94	3.20	6.28	4.54	0.46	1.67	1.13	1.04
2026	1.02	0.09	4.21	6.20	1.01	4.76	3.35	2.71	M	M	M	M
NCEI Climatology	1.90	1.78	2.09	3.64	4.66	4.72	3.34	4.45	3.58	3.51	2.51	1.92

Average Wind Speed [MPH]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	M	M	M	M	3.3	3.4	4.1	4.2	4.6
2019	5.3	5.3	6.0	7.0	5.0	4.6	4.1	3.3	4.6	5.3	5.6	6.3
2020	6.2	6.9	7.1	6.3	5.7	4.5	3.8	3.6	4.6	5.3	7.0	4.3
2021	4.3	5.3	7.0	1.0	5.2	3.4	1.6	1.1	2.6	4.0	5.5	5.4
2022	6.4	6.9	6.7	7.9	6.9	5.3	5.2	4.5	4.9	5.8	7.6	8.0
2023	6.3	5.3	7.7	8.1	5.6	4.8	4.2	5.2	4.9	6.6	6.6	6.7
2024	7.7	7.4	8.8	9.0	6.7	7.0	4.4	4.9	4.4	6.9	7.8	7.5
2025	8.5	7.5	8.9	8.4	6.3	6.2	4.6	4.6	3.9	5.9	7.3	7.6
2026	8.7	6.9	8.5	9.0	6.5	6.6	4.7	4.3	M	M	M	M
NCEI Climatology	M	M	M	M	M	M	M	M	M	M	M	M

Average Daily High Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	M	M	M	M	81.37	75.62	59.01	37.87	38.35
2019	25.75	31.48	41.63	57.88	66.57	79.54	87.54	82.89	79.19	59.95	41.51	41.18
2020	35.51	36.74	49.28	56.98	67.45	82.54	85.97	84.12	72.80	59.46	54.60	38.07
2021	32.46	27.83	52.49	53.32	50.70	80.41	81.47	85.38	79.39	66.09	47.58	42.82
2022	30.98	35.57	47.39	54.09	71.36	80.94	82.63	81.10	75.02	62.77	50.43	34.65
2023	36.04	39.33	45.12	61.48	72.56	80.35	82.81	81.19	75.68	61.92	49.57	43.02
2024	29.38	48.42	52.03	60.85	74.57	82.52	82.20	82.40	79.24	69.35	51.12	37.10
2025	28.99	33.05	53.85	59.61	67.33	82.84	85.04	81.20	78.75	65.89	48.88	33.99
2026	28.74	42.04	54.92	64.26	71.33	79.14	85.43	80.87	M	M	M	M
NCEI Climatology	32.30	36.86	47.69	61.01	72.90	83.40	86.90	84.81	78.11	64.81	49.80	37.70

Average Daily Low Temperature [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	M	M	M	M	62.97	56.85	41.25	27.32	24.68
2019	16.55	23.49	25.37	38.57	47.21	60.74	69.82	64.03	63.36	42.05	26.98	25.81
2020	23.95	23.83	32.71	37.13	49.07	60.66	66.36	62.80	54.00	38.55	36.66	24.78
2021	22.67	13.69	33.20	39.87	39.70	66.19	64.61	66.33	58.98	50.68	30.33	30.20
2022	22.45	25.25	31.23	37.60	54.81	62.24	67.09	65.53	61.12	41.77	34.33	21.47
2023	26.03	23.24	30.65	40.88	50.14	58.57	64.36	63.51	59.11	46.10	32.65	32.79
2024	20.72	29.19	34.48	42.97	53.54	63.61	64.73	63.92	58.47	46.85	38.67	24.60
2025	14.15	18.94	33.42	40.60	48.26	63.42	67.94	64.02	58.10	49.00	34.34	19.16
2026	14.61	23.59	33.00	43.38	49.01	61.10	67.15	65.53	M	M	M	M
NCEI Climatology	13.71	16.24	25.31	35.40	46.50	56.99	61.40	59.79	51.40	39.61	28.70	18.90

Average Daily Temperature (high+low)/2 [F]

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	M	M	M	M	72.17	66.24	50.13	32.60	31.52
2019	21.15	27.49	33.50	48.22	56.89	70.14	78.68	73.46	71.28	51.00	34.25	33.49
2020	29.73	30.28	41.00	47.05	58.26	71.60	76.17	73.46	63.40	49.00	45.63	31.42
2021	27.57	20.76	42.84	46.60	45.20	73.30	73.04	75.86	69.19	58.39	38.95	36.51
2022	26.72	30.41	39.31	45.85	63.08	71.59	74.86	73.31	68.07	52.27	42.38	28.06
2023	31.03	31.29	37.88	51.18	61.35	69.46	73.59	72.35	67.39	54.01	41.11	37.91
2024	25.05	38.81	43.25	51.91	64.05	73.06	73.46	73.16	68.85	58.10	44.90	30.85
2025	21.57	25.99	43.63	50.11	57.79	73.13	76.49	72.61	68.42	57.45	41.61	26.58
2026	21.67	32.81	43.96	53.82	60.17	70.12	76.29	73.20	M	M	M	M
NCEI Climatology	23.00	26.55	36.50	48.21	59.70	70.20	74.15	72.30	64.75	52.21	39.25	28.30

Average Relative Humidity [%]

This value is computed via a simple average of available observations weighted by the duration between observations.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	M	M	M	M	M	M	M	76.7%	76.2%	75.9%	77.9%	81.7%
2019	77.9%	79.7%	67.3%	67.5%	74.0%	72.5%	70.2%	72.9%	79.1%	76.7%	76.4%	79.1%
2020	81.1%	68.0%	74.9%	67.4%	69.1%	65.5%	71.0%	67.2%	73.1%	69.4%	67.3%	74.4%
2021	81.0%	72.0%	64.3%	63.9%	63.2%	70.3%	73.7%	72.1%	65.3%	78.2%	67.5%	71.9%
2022	72.0%	69.7%	67.4%	68.6%	65.0%	58.6%	67.0%	76.5%	78.8%	77.4%	78.3%	86.1%
2023	92.0%	77.3%	79.7%	69.2%	64.9%	70.3%	79.6%	79.3%	74.4%	73.2%	67.0%	80.6%
2024	83.6%	66.5%	64.3%	64.2%	62.8%	64.6%	72.2%	70.2%	64.5%	56.7%	76.3%	76.3%
2025	65.6%	68.3%	63.2%	63.4%	66.8%	67.2%	74.2%	71.4%	70.0%	72.8%	71.4%	74.7%
2026	68.4%	66.6%	67.1%	70.1%	56.6%	69.1%	68.4%	76.5%	M	M	M	M